The longitudinal strength is the most important criteria of the structural design of the ship hulls, which is generally presented by the maximum bending moment that the hull cross-section can withstand. The ship hulls may be exposed to extreme loads in which some occasions the ship could fail when they attempt to escape from storm weather. Another causes of ship's damages or fails are associated to improper loaded and unload of the cargo or ballast, corrosion, fatigue, explosions and collisions. These causes may compromise the structural resistance of the ships. Damages and failure in ships can be avoid if is provided of structural health monitoring system.

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A structural health monitoring system can help the owners to monitor the remote manner the behavior of hull girders during navegation providing real-time information on stress levels due to longitudinal bending moment and acceleration levels due to the ship's motion, loading and unloading, improve the maintenance program ​​and help them to meet national and international requirements of navigation and environmental protection.

​​List of sensors with their respective functions and applications in ships and vessels.​